President Trump recently cited from the oval office statistics about the state of the U.S. education system. What he didn't say is that we know about student achievement levels thanks to data gathered by the Education Department itself. One of the government's most vital activities is the gathering of reliable statistics to guide policy. My next guest says the quality of national statistics has become a concern. Consultant Nancy Potok is the former chief statistician of the United States, and she joins me now.
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